Ldpc codes scripts download

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... Recently, we find some published programs for the construction of LDPC codes have not ... concerned the Girth test problem, which will not the implementation of ... simple program to provide ... test of LDPC codes.Input ... with the format of the example in the program, the program can determine whether it has girth ...

... channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are ... choices of decoder: hard-decision ... bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and simplified log-domain SPA decoder. ...

... for constructing the short length of LDPC codes with girth 8. First, we design ... desired parity-check matrix using identity matrices and cyclic shift matrices of the identity ... codes which can be obtained by the generator matrix derived from this check matrix for encoding the ... random information bits are as good as random LDPC codes ...

... is for those using Matlab 6.5.2. Files for LDPC code simulation over the AWGN channel.3. Matlab-based and ... implementation of the LDPC decoder. The main simulation script contains the commands for the use of both ... C-based decoders and one Matlab based ... The commands for the decoder that are going to be used need to ...

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